docs: def advance(self, height, ignore_overflow=False):
          """Advance the cursor by `height`. If this would cause the cursor to
          point beyond the bottom of the container, an :class:`EndOfContainer`
          exception is raised."""
          if height <= self.remaining_height:
              self._self_cursor.grow(height)
          elif ignore_overflow:
              self._self_cursor.grow(float(self.remaining_height))
          else:
              raise ContainerOverflow(self.page.number)